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Boost gauge hook up on GM Easton/roush TVS 1900

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Old 06-02-2017, 08:24 PM
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Default Boost gauge hook up on GM Easton/roush TVS 1900

I was just wondering if anyone has hooked up a boost gauge on this s/c. Reason I'm asking is I took a buddy for a ride and he was telling me I'm losing boost beaucse it didn't seem like it had power when I was nailing it at dead stop.. I was looking to install a boost gauge to see if I'm not getting all the boost that I'm supposed to be getting. I posted a 20 roll vid

Thanks
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Old 06-03-2017, 12:29 PM
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theres a vacuum port on the back of the blower
Old 06-03-2017, 02:00 PM
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Anywhere in the lower manifold after the rotors will be fine.
Old 06-05-2017, 08:38 AM
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Has anyone done it on this blower!? Also do you guys think it feels like I lost boost because I went from a 3000stall to a 2500stall!? Thanks againb
Old 06-05-2017, 10:34 AM
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Log with a tuner and you'd know exactly how much boost it's running and if it's possibly down on power.

Stall speed does not change how fast the motor rev's and how much boost the blower can make. If you didn't change the pulley size or the rpm limits, the blower is not just going to make less boost unless there in a vacuum leak somewhere.
Old 06-06-2017, 05:43 PM
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Ok thank you!
Old 06-07-2017, 08:05 AM
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Originally Posted by Atomic Performance
Anywhere in the lower manifold after the rotors will be fine.
+1.

Anywhere else and it won't be accurate.
Old 06-07-2017, 08:26 AM
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You could be getting belt slip, you may have high IAT's. Burst knock may be pulling timing, or maybe it's all fine. Get a gauge on it and see where it's at and take it from there. Do you have access to a scanner or anything?
Old 06-07-2017, 06:16 PM
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My tensioner locked up after I launched it on auto a week or so ago but went back to normal but other then that I don't hear the belt slipping at all. What type of scanner? From the vid I posted does it seem to be performing fine???
Old 06-07-2017, 06:19 PM
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Here are my mods
2005 Tahoe
5.3LM7
TVS1900
Larger crank pulley
Comp cam 224/230 114lsa
Ls7 Tb with Xlink
Alky meth with 100% meth
LT headers with no cats
Corsa sport
4.10s F+R
Built 4WD 4l65E 2500 Stall



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